1862. United States. Army. Corps of Topographical Engineers. Scale approximately 1:17,600; 1 map: color; 84 x 54 cm South Mountain, Battle of, Md., 1862--Maps.
1862. United States. Army. Corps of Topographical Engineers. Scale approximately 1:18,500; 1 map; 80 x 51 cm South Mountain, Battle of, Md., 1862--Maps.